ULTRASONIC VELOCITY NEAR THE MARTENSITIC TRANSFORMATION TEMPERATURE M. Yasunaga, Y. Funatsu, S. Kojima, K. Otsuka et T. SuzukiJ. Phys. Colloques, 43 C4 (1982) C4-603-C4-608DOI: https://doi.org/10.1051/jphyscol:1982495